Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 59.8 >
edited by Xiaoling
on 2022/06/06 14:21
To version < 58.18 >
edited by Xiaoling
on 2022/06/06 11:23
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -92,8 +92,6 @@
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 93  * Packet engine up to 256 bytes with CRC
94 94  
95 -
96 -
97 97  == 1.3 Features ==
98 98  
99 99  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -106,7 +106,6 @@
106 106  * Support Interrupt uplink (Since hardware version v1.2)
107 107  
108 108  
109 -
110 110  == 1.4 Applications ==
111 111  
112 112  * Smart Buildings & Home Automation
... ... @@ -117,7 +117,6 @@
117 117  * Smart Factory
118 118  
119 119  
120 -
121 121  == 1.5 Firmware Change log ==
122 122  
123 123  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -239,15 +239,11 @@
239 239  
240 240  (((
241 241  (((
242 -(((
243 243  There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
244 244  )))
245 -)))
246 246  
247 247  (((
248 -(((
249 249  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
250 -)))
251 251  
252 252  
253 253  )))
... ... @@ -328,20 +328,15 @@
328 328  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
329 329  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
330 330  |AT+CFGDEV|(% style="width:110px" %)(((
331 -(((
332 332  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
333 -)))
334 334  
335 -(((
336 336  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
337 -)))
338 338  
339 -(((
340 340  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
341 -)))
342 342  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
343 343  
344 344  
331 +
345 345  === 3.3.3 Configure read commands for each sampling ===
346 346  
347 347  (((
... ... @@ -1096,122 +1096,62 @@
1096 1096  )))
1097 1097  
1098 1098  
1099 -
1100 -
1101 1101  == 3.6 Listening mode for RS485 network ==
1102 1102  
1103 -(((
1104 1104  This feature support since firmware v1.4
1105 -)))
1106 1106  
1107 -(((
1108 1108  RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1109 -)))
1110 1110  
1111 1111  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1112 1112  
1113 -(((
1114 1114  To enable the listening mode, use can run the command AT+RXMODE.
1115 -)))
1116 1116  
1117 -(((
1118 -
1119 -)))
1120 1120  
1121 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1122 -|=(% style="width: 100px;" %)(((
1123 -**Command example**
1124 -)))|=(% style="width: 400px;" %)(((
1125 -**Function**
1126 -)))
1127 -|(% style="width:100px" %)(((
1128 -AT+RXMODE=1,10
1129 -)))|(% style="width:400px" %)(((
1130 -Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1131 -)))
1132 -|(% style="width:100px" %)(((
1133 -AT+RXMODE=2,500
1134 -)))|(% style="width:400px" %)(((
1135 -Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1136 -)))
1137 -|(% style="width:100px" %)(((
1138 -AT+RXMODE=0,0
1139 -)))|(% style="width:400px" %)(((
1140 -Disable listening mode. This is the default settings.
1141 -)))
1142 -|(% style="width:100px" %)(((
1143 -
1144 -)))|(% style="width:400px" %)(((
1145 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1146 -)))
1097 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1098 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1099 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1100 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1101 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1102 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1147 1147  
1148 -(((
1149 1149  **Downlink Command:**
1150 -)))
1151 1151  
1152 -(((
1153 1153  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1154 -)))
1155 1155  
1156 -(((
1157 -
1158 -)))
1159 1159  
1160 -(((
1161 1161  **Example**:
1162 -)))
1163 1163  
1164 -(((
1165 1165  The RS485-LN is set to AT+RXMODE=2,1000
1166 -)))
1167 1167  
1168 -(((
1169 1169  There is a two Modbus commands in the RS485 network as below:
1170 -)))
1171 1171  
1172 -(((
1173 1173  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1174 -)))
1175 1175  
1176 -(((
1177 1177  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1178 -)))
1179 1179  
1180 -(((
1181 1181  RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1182 -)))
1183 1183  
1184 -(((
1185 1185  [[image:image-20220602171200-9.png]]
1186 -)))
1187 1187  
1188 -(((
1189 -
1190 -)))
1191 1191  
1192 -(((
1193 -(((
1194 1194  (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1195 -)))
1196 -)))
1197 1197  
1198 1198  
1199 1199  == 3.7 Buttons ==
1200 1200  
1201 1201  
1202 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1203 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1204 -|(% style="width:50px" %)**ACT**|(% style="width:350px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1205 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1206 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1130 +(% border="1" style="background-color:#f7faff; width:500px" %)
1131 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1132 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1133 +|**RST**|(% style="width:1420px" %)Reboot RS485
1134 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1207 1207  
1208 1208  == 3.8 LEDs ==
1209 1209  
1210 -
1211 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1212 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1138 +(% border="1" style="background-color:#f7faff; width:500px" %)
1139 +|=**LEDs**|=**Feature**
1213 1213  |**PWR**|Always on if there is power
1214 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1141 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1215 1215  
1216 1216  = 4. Case Study =
1217 1217  
... ... @@ -1222,26 +1222,19 @@
1222 1222  
1223 1223  == 5.1 Access AT Command ==
1224 1224  
1225 -(((
1226 1226  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1227 -)))
1228 1228  
1229 1229  [[image:1654162355560-817.png]]
1230 1230  
1231 1231  
1232 -(((
1233 1233  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1234 -)))
1235 1235  
1236 1236  [[image:1654162368066-342.png]]
1237 1237  
1238 1238  
1239 -(((
1240 1240  More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1241 -)))
1242 1242  
1243 1243  
1244 -
1245 1245  == 5.2 Common AT Command Sequence ==
1246 1246  
1247 1247  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1264,9 +1264,7 @@
1264 1264  )))
1265 1265  
1266 1266  
1267 -(((
1268 1268  If device already joined network:
1269 -)))
1270 1270  
1271 1271  (% class="box infomessage" %)
1272 1272  (((
... ... @@ -1305,12 +1305,10 @@
1305 1305  
1306 1306  (% style="color:red" %)**Note:**
1307 1307  
1308 -(((
1309 1309  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1310 1310  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1311 1311  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1312 1312  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1313 -)))
1314 1314  
1315 1315  [[image:1654162478620-421.png]]
1316 1316  
... ... @@ -1319,45 +1319,25 @@
1319 1319  
1320 1320  == 6.1 How to upgrade the image? ==
1321 1321  
1322 -(((
1323 1323  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1324 -)))
1325 1325  
1326 -* (((
1327 -Support new features
1328 -)))
1329 -* (((
1330 -For bug fix
1331 -)))
1332 -* (((
1333 -Change LoRaWAN bands.
1334 -)))
1240 +* Support new features
1241 +* For bug fix
1242 +* Change LoRaWAN bands.
1335 1335  
1336 -(((
1337 1337  Below shows the hardware connection for how to upload an image to RS485-LN:
1338 -)))
1339 1339  
1340 1340  [[image:1654162535040-878.png]]
1341 1341  
1342 -(((
1343 1343  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1344 -)))
1345 1345  
1346 -(((
1347 1347  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1348 -)))
1349 1349  
1350 -(((
1351 1351  **Step3: **Open flashloader; choose the correct COM port to update.
1352 -)))
1353 1353  
1354 1354  (((
1355 -(((
1356 -(((
1357 1357  (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1358 1358  )))
1359 -)))
1360 -)))
1361 1361  
1362 1362  
1363 1363  [[image:image-20220602175818-12.png]]
... ... @@ -1420,6 +1420,7 @@
1420 1420  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1421 1421  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1422 1422  
1319 +
1423 1423  = 9.Packing Info =
1424 1424  
1425 1425  
... ... @@ -1436,6 +1436,7 @@
1436 1436  * Package Size / pcs : 14.5 x 8 x 5 cm
1437 1437  * Weight / pcs : 170g
1438 1438  
1336 +
1439 1439  = 10. FCC Caution for RS485LN-US915 =
1440 1440  
1441 1441  (((

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